Machine for making prestressed concrete members



R s BAKER 3,305,907

MACHlNE FOR MAKING PRESTRESSED CONCRETE MEMBERS 41 Sheets-Sheet l Feb. 28, 197

Flled Feb ll, 1964 R. S. BAKER Feb. 28, 1967 MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBERS l Sheets-Sheew';

Filed Feb. ll, 1964 RoBElz'r SHAKER BY www ATTORNEY R. s. BAKER 3,305,907

MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBERS Feb. 28, 1967 4l Sheets-Sheet 3 Filed Feb. ll, 1964 INVENT'OR RoBEas SBAKER ATTORNEYS R. s. BAKER 3,305,907,

MACHNE FOR MAKING PRESTRESSED CONCRETE MEMBERS Feb. 28, 1967 41lSheets-Sheet 4 Filed Feb. ll, 1964 R. S. BAKER Feb. 28, 1967 MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBERS w W www Filed Feb. l1, 1964 R. S` BAKER Feb. 28, 1967 MACHNE FOR MAKING PRESTRESSED CONCRETE MEMBERS 4l Sheets-Shea?l 6 Filed Feb. ll, 1964 me VK mn B S lll BY W Wam, muh: www? ATTORNEY R. S. BAKER Feb. 28, 196? MACHINE FOR MAKXNG PRESTRESSED CONCRETE MEMBERS 41 Sheets-Sheet 7 Filed Feb. ll, 1964 BY wmmwmw R. S. BAKER MACHINE FOR MAKING PREsTREssED CONCRETE MEMBERS I Feb. 28, 1967 4l Sheets-Sheet 8 Filed Feb. ll, 1964 INVENTOR RoB|a|2rS.BnKER (L WaAm/Muml] famys Feb. 28, 1967 R- S. BAKER MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBE 4l Sheets-Sheet 9 Filed Feb. ll, 1964 www C INVENTOR RoBEQ-r Smselz ATTORNEY R. s. BAKER 3,305,907

MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBERS Feb. 28, 1967 41 Sheets-Sheet l O Filed Feb. ll, 1964 WNO bho

NVEN-TOR' ROBERT HKER ATTORNEYS Feb. 28, 1967 R. s. BAKER 3,305,907

MACHNE FOR MAKING PRESTRESSED CONCRETE MEMBERS Filed Feb. l1, 1964 4l Sheets-Sheet l1 A.. @N- 22 5* g a 2? s', x u u f E2) 2 U E5 4@o INVENTOR I ROBERT BQKER BY -l waamgmkiumys R. s. BAKER 3,305,907

` MACHNE FOR MAKING PRESTRESSED CONCRETE MEMBERS Feb. 28, 1967 41 Sheets-Sheet 12 Filed Feb. ll, 1964 MMN V' 1N VENTR PoBEmSBAKeR B* mgm ATTORNEYS WMM Feb. 28 1967 Mmmm Fon MAKING PREsTREssED CONCRETE MEMBERS R. s. BAKER ATTORNEYS s m 1 ma m EE y ,om i .Tv N: LT m nb l T 4 E. R M o mi', R m ww 4 l b. m d m E; ,n

Feb 28 1967 R. s. BAKER 3,305,907

MACHINE FOR MAKING PRESTRESSD CONCRETE MEMBERS Filed Feb. ll, 1964 4l Sheets-Sheet 14 INVENTOR Roelz'r S. BAKER ATTORNEYS R. S. BAKER Feb. 28, 1967 MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBERS 1.1.1 Sheets-Sheet 1 Fned Feb. 11, 1964 v INVENTOR Ro-151mg. B nKErz BY YVasmk'R www) ATTORNEYS als@ ICIGS I I I U92 41 sheets-sheet l@ Cl'o INVENTQR RoeR-r Bnaexz mec ATTORNEYS l R. S. BAKER Feb. 28, 1967 MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBERS Filed Feb. ll, 1964 /clz C. IGS

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CISS CISI BY maso-K Feb- 28 1967 R. s. BAKER 3,305,907

MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBERS Filed Feb. ll, 1964 41 Sheets-Sheet 17 INVENTOR 99 ROBERT g. BAKER BY Y Wasoulhmmmlsomm ATTQRNEYS R. s. BAKER 3,305,907

MACHINE FOR MAKING PRESTRESSED CONCRETE MEMBERS Feb. 28, 1967 4l Sheets-Sheet l S Filed Feb. ll, 1964 MENTOR Roraim- S. BnKerz Feb.' 28, 1967 R. s, BAKER 3,305,907

MACHNE FOR MAKING PRESTRESSED CONCRETE MEMBERS Filed Feb. ll, 1964 4l Sheets-Sheet 19 INVNTOR Rom-:s21- S. Brauen BY m-m-gwmobwgmyg Feb. 28, 1967 R, s, 'BAKER v 3,305,907

MACHINE FOR MAKING PRESTRESSED CONCRETE MMBERS Filed F'eb. ll, 1964 4l Sheets-Sheet 2O il?, 395 i@ 23.

INVENTOR ROBERTS. Bmrz `ATTOIYzNEYs wlw, I @l L j 45 lgfca@ 

1. APPARATUS FOR MAKING PRESTRESSED CONCRETE MEMBERS COMPRISING, AN ENDLESS PATH, A CURING TUNNEL HOUSING A PORTION OF THE PATH, A CONCRETE MEMBER FORMING MACHINE HAVING AN ENTRANCE END AND AN EXIT END ADJACENT SPACED POSITIONS ALONG THE PATH REMOVED FROM THE CURING TUNNEL, A PLURALITY OF CARS MOUNTED FOR MOVEMENT ALONG THE PATH, MEANS TO MOVE THE CARS ALONG THE PATH, A PLURALITY OF PALLETS IN WHICH CONCRETE MEMBERS CAN BE FORMED AND CURED CARRIED ON THE CARS AND THE FORMING MACHINE, THE PALLETS EACH HAVING MEANS TO HOLD STRESSING CABLES UNDER TENSION, MEANS FOR TRANSFERRING PALLETS SINGLY FROM CARS ONTO THE ENTRANCE END OF THE FORMING MACHINE, MEANS ON THE FORMING MACHINE TO MOVE PALLETS FROM THE ENTRANCE END TO THE EXIT END, AND MEANS TO TRANSFER PALLETS FROM THE EXIT END OF THE FORMING MACHINE ONTO CARS ON THE PATH, WHEREBY PRESTRESSED CONCRETE MEMBERS MAY BE FORMED ON PALLETS ON THE FORMING MACHINE, CARRIED THROUGH THE CURING TUNNEL, AND PALLETS CONTAINING CURED MEMBERS TRANSFERRED BACK ONTO THE FORMING MACHINE. 